From: Namhyung Kim <namhyung....@lge.com>
When processing event group descriptor in perf file header, we reuse
an allocated group name but forgot to prevent it from freeing.
Reported-by: Stephane Eranian <eran...@google.com>
Signed-off-by: Namhyung Kim <namhy...@kernel.org>
---
tools/perf/util/header.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 369c03648f88..559c516f1cec 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -2078,8 +2078,10 @@ static int process_group_desc(struct perf_file_section
*section __maybe_unused,
if (evsel->idx == (int) desc[i].leader_idx) {
evsel->leader = evsel;
/* {anon_group} is a dummy name */
- if (strcmp(desc[i].name, "{anon_group}"))
+ if (strcmp(desc[i].name, "{anon_group}")) {
evsel->group_name = desc[i].name;
+ desc[i].name = NULL;
+ }
evsel->nr_members = desc[i].nr_members;
if (i >= nr_groups || nr > 0) {
--
1.7.11.7
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